Nutraveris
Tuesday, November 22, 2016
Category : News, INGREDIENTS, INNOVATION, CLINICAL EVIDENCE | Author : experts
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NOL, Nutraveris Online, the most efficient data solution to create, keep up-to-date and launch your products in the 28 EU member states, used for 10years by more than 500 industry leaders informs you:

This study investigated the combination of BCAA, arginine, and citrulline on endurance performance in two consecutive days.

Seven male and three female endurance runners ingested 0.17 g·kg(-1) BCAA, 0.05 g·kg(-1) arginine and 0.05 g·kg(-1) citrulline (AA trial) or placebo (PL trial) in a randomized cross-over design. Each trial contained a 5000 m time trial on the first day, and a 10000 m time trial on the second day.

The AA trial had significantly better performance in 5000 m (AA: 1065.7 ± 33.9 s; PL: 1100.5 ± 40.4 s) and 10000 m (AA: 2292.0 ± 211.3 s; PL: 2375.6 ± 244.2 s). The two trials reported similar ratings of perceived exertion. After exercise, the AA trial had significantly lower tryptophan/BCAA ratio, similar NH3, and significantly higher urea concentrations.

BCAA

According to authors, the supplementation could enhance time-trial performance in two consecutive days in endurance runners, possibly through the inhibition of cerebral serotonin synthesis by BCAA and the prevention of excess hyperammonemia by increased urea genesis.

 

Cheng IS, Wang YW, Chen IF, Hsu GS, Hsueh CF, Chang CK. The Supplementation of Branched-Chain Amino Acids, Arginine, and Citrulline Improves Endurance Exercise Performance in Two Consecutive Days. J Sports Sci Med. 2016 Aug 5;15(3):509-515.

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